-record(employee, {emp_no,
                   name,
                   salary,
                   sex,
                   phone,
                   room_no}).

-record(dept, {id, name}).

-record(project, {name, number}).

-record(manager, {dept_id, emp_no}).

-record(at_dep, {emp_no, dept_id}).

-record(in_proj, {emp_no, proj_name}).
